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Publication date
Priority claimed from DE19772741980external-prioritypatent/DE2741980A1/de
Priority claimed from AT513178Aexternal-prioritypatent/AT359517B/de
Application filed by Basf AgfiledCriticalBasf Ag
Priority to AT773079ApriorityCriticalpatent/AT359520B/de
Publication of ATA773079ApublicationCriticalpatent/ATA773079A/de
Application grantedgrantedCritical
Publication of AT359520BpublicationCriticalpatent/AT359520B/de